In the following figure, rectangle represents Doctors, circle represents Bikers, triangle represents Trekkers and square represents Football players. Which set of letters represents Doctors who are either Bikers or Football players?
In the question, a word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in two matrices given below. The columns and rows of Matrix I are numbered from 0 to 4 and that of Matrix II are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, e.g., 'B' can be represented by 42, 34, etc. and 'Z' can be represented by 57, 96 etc. You have to identify the set for the word 'FAZE'.
The average marks of 10 students in an examination was 25. It was later found that the marks of one student had been wrongly entered as 34 instead of 43. What is the correct average?